I don't think it's either. I am pretty sure it is a competitor to OpenRoad.
2 karma · joined December 7, 2021
As far as I can tell this is python replacement for https://github.com/The-OpenROAD-Project/OpenLane/blob/master...
The CAD tools it calls will be the bottleneck, not the wrapper script. https://docs.siliconcompiler.com/en/latest/reference_manual/...